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HID: sony: Move LED data to the main structure

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It is not necessary to keep the LED information in an extra struct which is
only used by the Buzz device. It can also be used by other devices.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Sven Eckelmann 2013-11-19 20:26:31 +01:00 committed by Jiri Kosina
parent c53825190a
commit 2251b85f3d
1 changed files with 17 additions and 41 deletions
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58
drivers/hid/hid-sony.c
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@ -223,6 +223,7 @@ static const unsigned int buzz_keymap[] = {
};
struct sony_sc {
struct led_classdev *leds[4];
unsigned long quirks;
#ifdef CONFIG_SONY_FF
@ -232,12 +233,7 @@ struct sony_sc {
__u8 right;
#endif
void *extra;
};
struct buzz_extra {
int led_state;
struct led_classdev *leds[4];
__u8 led_state;
};
static __u8 *ps3remote_fixup(struct hid_device *hdev, __u8 *rdesc,
@ -472,26 +468,24 @@ static void sony_led_set_brightness(struct led_classdev *led,
struct device *dev = led->dev->parent;
struct hid_device *hdev = container_of(dev, struct hid_device, dev);
struct sony_sc *drv_data;
struct buzz_extra *buzz;
int n;
drv_data = hid_get_drvdata(hdev);
if (!drv_data || !drv_data->extra) {
if (!drv_data) {
hid_err(hdev, "No device data\n");
return;
}
buzz = drv_data->extra;
for (n = 0; n < 4; n++) {
if (led == buzz->leds[n]) {
int on = !! (buzz->led_state & (1 << n));
if (led == drv_data->leds[n]) {
int on = !!(drv_data->led_state & (1 << n));
if (value == LED_OFF && on) {
buzz->led_state &= ~(1 << n);
buzz_set_leds(hdev, buzz->led_state);
drv_data->led_state &= ~(1 << n);
buzz_set_leds(hdev, drv_data->led_state);
} else if (value != LED_OFF && !on) {
buzz->led_state |= (1 << n);
buzz_set_leds(hdev, buzz->led_state);
drv_data->led_state |= (1 << n);
buzz_set_leds(hdev, drv_data->led_state);
}
break;
}
@ -503,21 +497,19 @@ static enum led_brightness sony_led_get_brightness(struct led_classdev *led)
struct device *dev = led->dev->parent;
struct hid_device *hdev = container_of(dev, struct hid_device, dev);
struct sony_sc *drv_data;
struct buzz_extra *buzz;
int n;
int on = 0;
drv_data = hid_get_drvdata(hdev);
if (!drv_data || !drv_data->extra) {
if (!drv_data) {
hid_err(hdev, "No device data\n");
return LED_OFF;
}
buzz = drv_data->extra;
for (n = 0; n < 4; n++) {
if (led == buzz->leds[n]) {
on = !! (buzz->led_state & (1 << n));
if (led == drv_data->leds[n]) {
on = !!(drv_data->led_state & (1 << n));
break;
}
}
@ -528,7 +520,6 @@ static enum led_brightness sony_led_get_brightness(struct led_classdev *led)
static int sony_leds_init(struct hid_device *hdev)
{
struct sony_sc *drv_data;
struct buzz_extra *buzz;
int n, ret = 0;
struct led_classdev *led;
size_t name_sz;
@ -541,13 +532,6 @@ static int sony_leds_init(struct hid_device *hdev)
if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 7))
return -ENODEV;
buzz = kzalloc(sizeof(*buzz), GFP_KERNEL);
if (!buzz) {
hid_err(hdev, "Insufficient memory, cannot allocate driver data\n");
return -ENOMEM;
}
drv_data->extra = buzz;
/* Clear LEDs as we have no way of reading their initial state. This is
* only relevant if the driver is loaded after somebody actively set the
* LEDs to on */
@ -576,49 +560,41 @@ static int sony_leds_init(struct hid_device *hdev)
goto error_leds;
}
buzz->leds[n] = led;
drv_data->leds[n] = led;
}
return ret;
error_leds:
for (n = 0; n < 4; n++) {
led = buzz->leds[n];
buzz->leds[n] = NULL;
led = drv_data->leds[n];
drv_data->leds[n] = NULL;
if (!led)
continue;
led_classdev_unregister(led);
kfree(led);
}
kfree(drv_data->extra);
drv_data->extra = NULL;
return ret;
}
static void sony_leds_remove(struct hid_device *hdev)
{
struct sony_sc *drv_data;
struct buzz_extra *buzz;
struct led_classdev *led;
int n;
drv_data = hid_get_drvdata(hdev);
BUG_ON(!(drv_data->quirks & BUZZ_CONTROLLER));
buzz = drv_data->extra;
for (n = 0; n < 4; n++) {
led = buzz->leds[n];
buzz->leds[n] = NULL;
led = drv_data->leds[n];
drv_data->leds[n] = NULL;
if (!led)
continue;
led_classdev_unregister(led);
kfree(led);
}
kfree(drv_data->extra);
drv_data->extra = NULL;
}
#ifdef CONFIG_SONY_FF